ExamVeda
Login
Home
81
Pebrine disease is found in
Discuss
Answer & Solution
Answer: Option B
Solution:
Pebrine disease is found in the Silk worm.
Pebrine is the most important disease of silkworm that is caused by the protozoa called Nosema bombycis.
Pebrine has commonly observed in all seasons but during the rainy and winter season, the infection level is more. It is transmitted to offspring by transovarial.
82
In cockroach DDT is converted to
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
83
Thatta rog disease of silkworm is caused by
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
84
In Drosophila DDT is converted to
Discuss
Answer & Solution
Answer: Option D
Solution:
In Drosophila DDT is converted to Dicofol.
Dicofol is an organochlorine pesticide that is chemically related to DDT. Specifically, it is used as a miticide against the red spider mite.
Though difocol is not extremely toxic, its use is controverial because one of the intermediates used in its production is DDT.
85
Aedes aegyptii transmits
Discuss
Answer & Solution
Answer: Option C
Solution:
Aedes aegyptii transmits Yellow fever and Dengue.
Aedes aegypti is known to transmit the dengue virus, yellow fever virus, chikungunya virus, and Zika virus.
It has been suggested as a potential vector of Venezuelan Equine Encephalitis virus and vector competency studies have shown that Aedes aegypti is capable of transmitting West Nile virus.
86
The scientific name of cotton jassid
Discuss
Answer & Solution
Answer: Option A
Solution:
The scientific name of cotton jassid is Amrasca bigutulla.
It is a subspecies of leafhopper belonging to the subfamily Typhlocybinae of family Cicadellidae. It is a pest of cotton, okra, and other crops in southern Asia and West Africa.
It is yellowish-green, with a conspicuous black spot on either side of the head and another near the tip of the fore wing. The head is pale green and the membranous wings are transparent and iridescent.
87
Peseudocoli is present instead of antennae for light perception in which order?
Discuss
Answer & Solution
Answer: Option B
Solution:
Pseudoculi is present instead of antennae for light perception in Protura order.
Pseudoculus (plural pseudoculi, Latin oculus 'eye') is the name applied to various eye-like structures which are nevertheless not eyes. Amongst the organisms possessing pseudoculi are Protura, which their function is not well-known.
The Protura, or proturans, and sometimes nicknamed coneheds, are very small, soil-dwelling animals, so inconspicuous they were not noticed until the 20th century. The head is conical and bears two pseudoculi with unknown functions.
88
Which is also known as Grylloblattodea?
Discuss
Answer & Solution
Answer: Option D
Solution:
Notoptera, Ice crawlers and Rock crawlers are also known as Grylloblattodea.
Grylloblattidae, commonly known as the icebugs, or ice crawlers, is a family of extremophile and wingless insects that live in the cold on top of mountains and the edges of glaciers.
They belong, along with Mantophasmatidae (rock crawlers), to the order Notoptera.
These are wingless insects mostly less than 3 cm long, with a head resembling that of a cockroach, with long antennae and elongated cerci arising from the tip of their abdomen. They cannot tolerate warmth (most species will die at 10°C) and many species have small distribution ranges.
89
Dipteran parasitoid attacking larvae of Helicoverpa armigera is
Discuss
Answer & Solution
Answer: Option B
Solution:
Dipteran parasitoid attacking larvae of Helicoverpa armigera is Carcelia sp.
Carcelia is a genus of flies in the family Tachinidae.
Dipteran parasitoids in the insect order Diptera include an estimated 16,000 species, or approximately 20% of the total number of species with this life-style.
Helicoverpa armigera is a species of Lepidoptera in the family Noctuidae The larvae feed on a wide range of plants, including many important cultivated crops.
90
Connecting link between annelida and arthropoda is
Discuss
Answer & Solution
Answer: Option D
Solution:
Connecting link between Annelida and arthropoda is Peripatus.
Peripatus is a genus of velvet worms in the Peripatidae family. The name "peripatus" is also used to refer to the Onychophora as a whole, although this group comprises many other genera besides Peripatus.
It is the connecting link between Annelida and arthopoda which means it has characteristics of both of them. Segmented bodies and thin cuticles like Annelida also have tracheal respiration and open respiratory system like arthopods. This genus is viviparous, with mothers supplying nourishment to their embryos through a placenta.